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Check if an element is present in an array [duplicate]
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ECMAScript 2016 incorporates an includes() method for arrays that specifically solves the problem, and so is now the preferred method.
[1, 2, 3].includes(2); // true
[1, 2, 3].includes(4); // false
[1, 2, 3].includes(1, 2); // false (second parameter is the index position in this array at...
Why did Rails4 drop support for “assets” group in the Gemfile
...You can do Ajax without that. You don't need to dynamically generate JS in order to do Ajax. In fact, you shouldn't dynamically generate JS. Precompile your CoffeeScript files and avoid the issue entirely.
– Marnen Laibow-Koser
Mar 26 '14 at 21:27
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How do I encode and decode a base64 string?
..., I'll agree that wrapping a deref error is definitely dubious (plus we're all slowly agreeing to the fact that null as a concept is a bit of a hack to begin with), but we can still see some effects otherwise: the parameter name given in the exception might not be correct if left unchecked.
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Is it possible to pass a flag to Gulp to have it run tasks in different ways?
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If you've some strict (ordered!) arguments, then you can get them simply by checking process.argv.
var args = process.argv.slice(2);
if (args[0] === "--env" && args[1] === "production");
Execute it: gulp --env production
...however, I ...
How to allow only numeric (0-9) in HTML inputbox using jQuery?
...layout is. For example, on French keyboards, users have to press shift in order to type numbers. So this code will not work at all. So please go for validation instead of this keycode hack.
– MiniQuark
Dec 12 '12 at 14:18
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Converting an object to a string
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JSON.stringify is not suitable for all cases e.g a jQuery reference object of an input field like button etc.
– techie_28
May 18 '16 at 7:45
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How do I convert a Ruby class name to a underscore-delimited symbol?
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first: gem install activesupport
require 'rubygems'
require 'active_support'
"FooBar".underscore.to_sym
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Is storing a delimited list in a database column really that bad?
...alues to the lookup table they reference.
Hard to fetch the list in sorted order.
To solve these problems, you have to write tons of application code, reinventing functionality that the RDBMS already provides much more efficiently.
Comma-separated lists are wrong enough that I made this the first c...
Powershell equivalent of bash ampersand (&) for forking/running background processes
...file.txt is in the current directory.
The output is not displayed automatically. You need to run Receive-Job with the ID of the job as parameter.
NOTE: Regarding your initial example, "bg sleep 30" would not work because sleep is a Powershell commandlet. Start-Process only works when you actually ...
Why is my Spring @Autowired field null?
...beans and determine how to instantiate and configure them in the necessary order.
The IoC container isn't magic, and it has no way of knowing about Java objects unless you somehow inform it of them. When you call new, the JVM instantiates a copy of the new object and hands it straight to you--it ne...